Space Marine 2, an action first-person shooter developed by Saber Interactive. Players can gain access to new content for the game with Datavault Update bringing new challenges and rewards, a new map ...

Introduced in 1993, DOOM popularized the first-person shooter game with its 3D graphics. First-person shooter games are designed for single and multiple players. Contrast with real-time strategy.

Here is the full rating summary of Doom 64 from the ESRB: “This is a first-person shooter in which players assume the role of a lone space marine battling demonic forces on Mars and in Hell.